# Copyright (c) 2024, Huawei Technologies Co., Ltd.
# All rights reserved.
#
# Licensed under the Apache License, Version 2.0  (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
class EmptyClass:

    def __init__(self: any, info: str = "") -> None:
        self._info = info

    @classmethod
    def __bool__(cls: any) -> bool:
        return False

    @classmethod
    def __str__(cls: any) -> str:
        return ""

    @property
    def info(self: any) -> str:
        return self._info

    @staticmethod
    def is_empty() -> bool:
        return True
